Toward Realization of Long-Range Wireless-Powered Sensor Networks

Toward Realization of Long-Range Wireless-Powered Sensor Networks

As the era of Internet of Things (IoT) emerges, powering massive IoT devices becomes a great challenge in need of immediate attention. This challenge can be resolved by radio frequency (RF) wireless power transfer (WPT) technology that remotely supplies power to a distant sensor device. In this arti...

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Veröffentlicht in:IEEE wireless communications 2019-08, Vol.26 (4), p.184-192
Hauptverfasser: Choi, Kae Won, Ginting, Lorenz, Aziz, Arif Abdul, Setiawan, Dedi, Park, Je Hyeon, Hwang, Sa Il, Kang, Dong Soo, Chung, Min Young, Kim, Dong In
Format: Artikel
Sprache:eng
Schlagworte:
Antenna arrays
Internet of Things
Measuring instruments
Radio frequency
Receiving antennas
Remote sensors
Sensor arrays
Sensors
Transmitting antennas
Wireless communication
Wireless networks
Wireless power transfer
Wireless power transmission
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Zusammenfassung:As the era of Internet of Things (IoT) emerges, powering massive IoT devices becomes a great challenge in need of immediate attention. This challenge can be resolved by radio frequency (RF) wireless power transfer (WPT) technology that remotely supplies power to a distant sensor device. In this article, we discuss the issues arising in designing wireless-powered sensor networks (WPSNs). We have built a prototype WPSN testbed with a large-scale antenna array. By demonstrating that a sensor node can perpetually operate up to the distance of 50 meters with self-powering, we validate the potential of turning the WPSN concept into reality.
ISSN:1536-1284
1558-0687
DOI:10.1109/MWC.2019.1800475